Siemens 6ES7 221-IBH32-0XB0 Digital Output Module

Siemens SIMATIC S7-1200 digital output module SM 1222, 16 DO, 24 V DC transistor outputs, is designed to switch DC loads directly under PLC control with a per‑channel rating up to 0.5 A. This 16‑channel module plugs into the S7‑1200 backplane to expand I/O capacity in compact automation cabinets, enabling reliable control of devices such as relays, lamps, and small actuators from a SIMATIC S7‑1200 controller. The module is cataloged under order number 6ES7222-1BH32-0XB0 and is intended for use with the SIMATIC S7‑1200 family, providing a straightforward, factory‑matched solution for expanding digital output capability in a single, integrated I/O block.